54 search results - page 6 / 11 » Variational methods for spectral unmixing of hyperspectral i... |
DCC
2008
IEEE
14 years 7 months ago
2008
IEEE
We discuss the use of lattice vector quantizers in conjunction with a quadtree-based sorting algorithm for the compression of multidimensional data sets, as encountered, for examp...
ESANN
2006
13 years 9 months ago
2006
Spectral classification, segmentation and data reduction are the three main problems in hyperspectral image analysis. In this paper we propose a Bayesian estimation approach which ...
ISCA
2007
IEEE
13 years 7 months ago
2007
IEEE
Hyperspectral sensors represent the most advanced instruments currently available for remote sensing of the Earth. The high spatial and spectral resolution of the images supplied ...
ICASSP
2008
IEEE
14 years 1 months ago
2008
IEEE
Dimensionality reduction (DR) is a major issue to improve the efficiency of the classifiers in Hyperspectral images (HSI). Recently, the independent component analysis (ICA) app...
ICIP
2009
IEEE
14 years 8 months ago
2009
IEEE
We develop a new approach for characterization of mixed pixels in remotely sensed hyperspectral images. The proposed method rst performs joint spatial-spectral pixel characterizat...